Two plants are crossed using a monohybrid Punnett square, resulting in offspring with a 3:1 phenotypic ratio for a particular trait. This suggests that —

!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b. diffusion c. endocytosis d. exocytosisc. endocytosis